2' X 2' Pentacle Altar Cloth is 100% cotton. This altar cloth It will fit most small altar spaces and has a beautiful Pentacle design in black and white the middle with Celtic scroll designs around the border and encasing the pentacle. The cloth is black and is made of 100% cotton. The Pentacle is an encircled Pentagram. A Pentagram is an ancient spiritual symbol shaped as a five-pointed star with one point aligned upwards. It is considered to be representative of the five elements from which man is made, namely fire, air, water, earth and spirit.